Não informado. (2000). Technical notes. U.S. Lake States Forest Experiment Station.
Style de citation Chicago (17e éd.)Não informado. Technical Notes. Saint Paul, Minn: U.S. Lake States Forest Experiment Station, 2000.
Style de citation MLA (8e éd.)Não informado. Technical Notes. U.S. Lake States Forest Experiment Station, 2000.
Attention : ces citations peuvent ne pas être correctes à 100%.